Standard: DIN 908 - 1983
Available sizes: G1/4A to M18 (7 sizes)
| Size | P | e | r | k_max | k_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| G1/4A | G3/8A | 11.8 | 12.2 | 3.5 | 22 | 9.2 | 12 | 3 | 21.48 |
| G3/8A | — | 15.8 | 16.2 | 4.5 | 31 | 13.7 | 16 | 4 | 30.38 |
| M10 | — |
| 11.8 |
| 12.2 |
| 3.5 |
| 17 |
| 6.9 |
| 12 |
| 3 |
| 16.57 |
| M12 | — | 11.8 | 12.2 | 3.5 | 19 | 6.9 | 12 | 3 | 18.48 |
| M14 | — | 13.8 | 14.2 | 4.5 | 25 | 11.4 | 14 | 4 | 24.48 |
| M16 | — | 13.8 | 14.2 | 4.5 | 27 | 11.4 | 14 | 4 | 26.48 |
| M18 | G3/4A | 15.8 | 16.2 | 4.5 | 32 | 13.7 | 16 | 4 | 31.38 |
Standard corrosion protection for indoor and mild outdoor environments.
Salt spray: 96–200 hours | RoHS compliant (trivalent chromium)
High-performance coating for automotive, marine, and harsh environments.
Salt spray: 720–1500 hours | Recommended for grade 8.8+
Heavy-duty protection for structural and outdoor applications.
Salt spray: 500–1000 hours | Thread tolerance adjustment required
Note for high-strength fasteners (Grade 10.9, 12.9): Electroplating processes require hydrogen embrittlement relief baking (minimum 4 hours at 200°C within 4 hours of plating). Contact our engineering team for grade-specific plating recommendations.
Request detailed technical specifications, material certifications, and availability information for your application requirements. Our engineering team can provide product recommendations, custom specifications, and technical documentation.
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